{"version":3,"names":["labelClickEvent","labelConnectedEvent","labelDisconnectedEvent","labelTagName","labelToLabelables","WeakMap","onLabelClickMap","onLabelConnectedMap","onLabelDisconnectedMap","unlabeledComponents","Set","findLabelForComponent","componentEl","id","forLabel","queryElementRoots","selector","parentLabel","closestElementCrossShadowBoundary","hasAncestorCustomElements","label","traversedElements","customElementAncestorCheckEventType","listener","event","stopImmediatePropagation","composedPath","slice","indexOf","addEventListener","once","dispatchEvent","CustomEvent","composed","bubbles","removeEventListener","ancestorCustomElements","filter","el","tagName","includes","length","connectLabel","component","labelEl","has","boundOnLabelDisconnected","onLabelDisconnected","bind","labelables","get","push","set","sort","sortByDOMOrder","onLabelClick","delete","document","disconnectLabel","labelable","a","b","isBefore","getLabelText","textContent","trim","labelClickTarget","detail","sourceEvent","target","this","clickedLabelable","find","labelableChildClicked","firstLabelable","disabled","onLabelConnected","add","boundOnLabelConnected","async","associateExplicitLabelToUnlabeledComponent","componentOnReady","alreadyLabeled","forComponentEl","ownerDocument","getElementById","for","requestAnimationFrame"],"sources":["src/utils/label.ts"],"sourcesContent":["import { closestElementCrossShadowBoundary, isBefore, queryElementRoots } from \"./dom\";\nimport { componentOnReady } from \"./component\";\n\nexport interface LabelableComponent {\n  /**\n   * When true, disabled prevents interaction.\n   */\n  disabled: boolean;\n\n  /**\n   * The host element.\n   */\n  readonly el: HTMLElement;\n\n  /**\n   * Text label.\n   */\n  label?: string;\n\n  /**\n   * The label this component is associated with.\n   */\n  labelEl: HTMLCalciteLabelElement;\n\n  /**\n   * Hook for components to provide custom label click behavior.\n   */\n  onLabelClick: (event: CustomEvent<any>) => void;\n}\n\n/**\n * Exported for testing purposes only\n *\n * @internal\n */\nexport const labelClickEvent = \"calciteInternalLabelClick\";\nexport const labelConnectedEvent = \"calciteInternalLabelConnected\";\nexport const labelDisconnectedEvent = \"calciteInternalLabelDisconnected\";\n\nconst labelTagName = \"calcite-label\";\nconst labelToLabelables = new WeakMap<HTMLCalciteLabelElement, LabelableComponent[]>();\nconst onLabelClickMap = new WeakMap<HTMLCalciteLabelElement, typeof onLabelClick>();\nconst onLabelConnectedMap = new WeakMap<LabelableComponent, typeof onLabelConnected>();\nconst onLabelDisconnectedMap = new WeakMap<LabelableComponent, typeof onLabelDisconnected>();\nconst unlabeledComponents = new Set<LabelableComponent>();\n\nconst findLabelForComponent = (componentEl: HTMLElement): HTMLCalciteLabelElement | null => {\n  const { id } = componentEl;\n\n  const forLabel =\n    id && queryElementRoots<HTMLCalciteLabelElement>(componentEl, { selector: `${labelTagName}[for=\"${id}\"]` });\n\n  if (forLabel) {\n    return forLabel;\n  }\n\n  const parentLabel = closestElementCrossShadowBoundary<HTMLCalciteLabelElement>(componentEl, labelTagName);\n\n  if (\n    !parentLabel ||\n    // labelable components within other custom elements are not considered labelable\n    hasAncestorCustomElements(parentLabel, componentEl)\n  ) {\n    return null;\n  }\n\n  return parentLabel;\n};\n\nfunction hasAncestorCustomElements(label: HTMLCalciteLabelElement, componentEl: HTMLElement): boolean {\n  let traversedElements: HTMLElement[];\n  const customElementAncestorCheckEventType = \"custom-element-ancestor-check\";\n\n  const listener = (event: CustomEvent) => {\n    event.stopImmediatePropagation();\n    const composedPath = event.composedPath() as HTMLElement[];\n    traversedElements = composedPath.slice(composedPath.indexOf(componentEl), composedPath.indexOf(label));\n  };\n\n  label.addEventListener(customElementAncestorCheckEventType, listener, { once: true });\n\n  componentEl.dispatchEvent(new CustomEvent(customElementAncestorCheckEventType, { composed: true, bubbles: true }));\n  label.removeEventListener(customElementAncestorCheckEventType, listener);\n\n  const ancestorCustomElements = traversedElements\n    .filter((el) => el !== componentEl && el !== label)\n    .filter((el) => el.tagName?.includes(\"-\"));\n\n  return ancestorCustomElements.length > 0;\n}\n\n/**\n * Helper to set up label interactions on connectedCallback.\n *\n * @param component\n */\nexport function connectLabel(component: LabelableComponent): void {\n  if (!component) {\n    return;\n  }\n\n  const labelEl = findLabelForComponent(component.el);\n\n  if (\n    (onLabelClickMap.has(labelEl) && labelEl === component.labelEl) ||\n    (!labelEl && unlabeledComponents.has(component))\n  ) {\n    return;\n  }\n\n  const boundOnLabelDisconnected = onLabelDisconnected.bind(component);\n\n  if (labelEl) {\n    component.labelEl = labelEl;\n\n    const labelables = labelToLabelables.get(labelEl) || [];\n    labelables.push(component);\n    labelToLabelables.set(labelEl, labelables.sort(sortByDOMOrder));\n\n    if (!onLabelClickMap.has(component.labelEl)) {\n      onLabelClickMap.set(component.labelEl, onLabelClick);\n      component.labelEl.addEventListener(labelClickEvent, onLabelClick);\n    }\n\n    unlabeledComponents.delete(component);\n    document.removeEventListener(labelConnectedEvent, onLabelConnectedMap.get(component));\n    onLabelDisconnectedMap.set(component, boundOnLabelDisconnected);\n    document.addEventListener(labelDisconnectedEvent, boundOnLabelDisconnected);\n  } else if (!unlabeledComponents.has(component)) {\n    boundOnLabelDisconnected();\n    document.removeEventListener(labelDisconnectedEvent, onLabelDisconnectedMap.get(component));\n  }\n}\n/**\n * Helper to tear down label interactions on disconnectedCallback on labelable components.\n *\n * @param component\n */\nexport function disconnectLabel(component: LabelableComponent): void {\n  if (!component) {\n    return;\n  }\n\n  unlabeledComponents.delete(component);\n  document.removeEventListener(labelConnectedEvent, onLabelConnectedMap.get(component));\n  document.removeEventListener(labelDisconnectedEvent, onLabelDisconnectedMap.get(component));\n  onLabelConnectedMap.delete(component);\n  onLabelDisconnectedMap.delete(component);\n\n  if (!component.labelEl) {\n    return;\n  }\n\n  const labelables = labelToLabelables.get(component.labelEl);\n\n  if (labelables.length === 1) {\n    component.labelEl.removeEventListener(labelClickEvent, onLabelClickMap.get(component.labelEl));\n    onLabelClickMap.delete(component.labelEl);\n  }\n\n  labelToLabelables.set(\n    component.labelEl,\n    labelables.filter((labelable) => labelable !== component).sort(sortByDOMOrder),\n  );\n\n  component.labelEl = null;\n}\n\nfunction sortByDOMOrder(a: LabelableComponent, b: LabelableComponent): number {\n  return isBefore(a.el, b.el) ? -1 : 1;\n}\n\n/**\n * Helper to get the label text from a component.\n *\n * @param component\n */\nexport function getLabelText(component: LabelableComponent): string {\n  return component.label || component.labelEl?.textContent?.trim() || \"\";\n}\n\nfunction onLabelClick(this: HTMLCalciteLabelElement, event: CustomEvent<{ sourceEvent: MouseEvent }>): void {\n  const labelClickTarget = event.detail.sourceEvent.target as HTMLElement;\n  const labelables = labelToLabelables.get(this);\n  const clickedLabelable = labelables.find((labelable) => labelable.el === labelClickTarget);\n  const labelableChildClicked = labelables.includes(clickedLabelable);\n\n  if (labelableChildClicked) {\n    // no need to forward click as labelable will receive focus\n    return;\n  }\n\n  const firstLabelable = labelables[0];\n\n  if (firstLabelable.disabled) {\n    return;\n  }\n\n  firstLabelable.onLabelClick(event);\n}\n\nfunction onLabelConnected(this: LabelableComponent): void {\n  if (unlabeledComponents.has(this)) {\n    connectLabel(this);\n  }\n}\n\nfunction onLabelDisconnected(this: LabelableComponent): void {\n  unlabeledComponents.add(this);\n  const boundOnLabelConnected = onLabelConnectedMap.get(this) || onLabelConnected.bind(this);\n  onLabelConnectedMap.set(this, boundOnLabelConnected);\n  document.addEventListener(labelConnectedEvent, boundOnLabelConnected);\n}\n\n/**\n * Helper to associate an explicit label (i.e., using `for`) with a labelable component that does not have an associated label.\n *\n * @param label - the label element\n */\nexport async function associateExplicitLabelToUnlabeledComponent(label: HTMLCalciteLabelElement): Promise<void> {\n  await componentOnReady(label);\n\n  const alreadyLabeled = labelToLabelables.has(label);\n\n  if (alreadyLabeled) {\n    return;\n  }\n\n  const forComponentEl = label.ownerDocument?.getElementById(label.for);\n\n  if (!forComponentEl) {\n    return;\n  }\n\n  requestAnimationFrame(() => {\n    for (const labelable of unlabeledComponents) {\n      if (labelable.el === forComponentEl) {\n        connectLabel(labelable);\n        break;\n      }\n    }\n  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